[INFO] fetching crate core-error 0.0.1-rc4...
[INFO] testing core-error-0.0.1-rc4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate core-error 0.0.1-rc4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate core-error 0.0.1-rc4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate core-error 0.0.1-rc4
[INFO] finished tweaking crates.io crate core-error 0.0.1-rc4
[INFO] tweaked toml for crates.io crate core-error 0.0.1-rc4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0a384add77d68fb6ead0bc5d5a27d4e8a9c749099e7b9d7ef8ccb5090c2393e
[INFO] running `Command { std: "docker" "start" "-a" "a0a384add77d68fb6ead0bc5d5a27d4e8a9c749099e7b9d7ef8ccb5090c2393e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0a384add77d68fb6ead0bc5d5a27d4e8a9c749099e7b9d7ef8ccb5090c2393e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a384add77d68fb6ead0bc5d5a27d4e8a9c749099e7b9d7ef8ccb5090c2393e", kill_on_drop: false }`
[INFO] [stdout] a0a384add77d68fb6ead0bc5d5a27d4e8a9c749099e7b9d7ef8ccb5090c2393e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b488d45f83c1d96d379d41372c3dda7ef9387de92479a060cb50b7da1e86e203
[INFO] running `Command { std: "docker" "start" "-a" "b488d45f83c1d96d379d41372c3dda7ef9387de92479a060cb50b7da1e86e203", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-error v0.0.1-rc4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/error_trait.rs:180:42
[INFO] [stdout]     |
[INFO] [stdout] 180 |     #[cfg(rustc_1_28_0)]  ::core::alloc::LayoutErr,
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "b488d45f83c1d96d379d41372c3dda7ef9387de92479a060cb50b7da1e86e203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b488d45f83c1d96d379d41372c3dda7ef9387de92479a060cb50b7da1e86e203", kill_on_drop: false }`
[INFO] [stdout] b488d45f83c1d96d379d41372c3dda7ef9387de92479a060cb50b7da1e86e203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71e3b82173cdefd0f6926224af562354c4d4727e4857ba607f1d519656b3b17c
[INFO] running `Command { std: "docker" "start" "-a" "71e3b82173cdefd0f6926224af562354c4d4727e4857ba607f1d519656b3b17c", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-error v0.0.1-rc4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/error_trait.rs:180:42
[INFO] [stdout]     |
[INFO] [stdout] 180 |     #[cfg(rustc_1_28_0)]  ::core::alloc::LayoutErr,
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/error_trait.rs:180:42
[INFO] [stdout]     |
[INFO] [stdout] 180 |     #[cfg(rustc_1_28_0)]  ::core::alloc::LayoutErr,
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "71e3b82173cdefd0f6926224af562354c4d4727e4857ba607f1d519656b3b17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e3b82173cdefd0f6926224af562354c4d4727e4857ba607f1d519656b3b17c", kill_on_drop: false }`
[INFO] [stdout] 71e3b82173cdefd0f6926224af562354c4d4727e4857ba607f1d519656b3b17c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7afd393c1b07df841db2097c7441fd1fd73871f0de75fb63f4f3f696168f8c65
[INFO] running `Command { std: "docker" "start" "-a" "7afd393c1b07df841db2097c7441fd1fd73871f0de75fb63f4f3f696168f8c65", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stderr]    --> src/error_trait.rs:180:42
[INFO] [stderr]     |
[INFO] [stderr] 180 |     #[cfg(rustc_1_28_0)]  ::core::alloc::LayoutErr,
[INFO] [stderr]     |                                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `core-error` (lib) generated 1 warning
[INFO] [stderr] warning: `core-error` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/core_error-eb46bd3a72370cbc)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests core-error
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7afd393c1b07df841db2097c7441fd1fd73871f0de75fb63f4f3f696168f8c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afd393c1b07df841db2097c7441fd1fd73871f0de75fb63f4f3f696168f8c65", kill_on_drop: false }`
[INFO] [stdout] 7afd393c1b07df841db2097c7441fd1fd73871f0de75fb63f4f3f696168f8c65